<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <script src="../../vue.js"></script>
</head>

<body>
  <div id="app">
    <div v-bind:id="id">
      {{ var a=1; }}
    </div>
  </div>

</body>
<script>

  var user = {
    name: '<h1>hello world</h1>',
    age: 18,
    result: true,
    id: "context"
  }

  Object.freeze(user);
  var vm = new Vue({
    el: '#app',
    data: user,
    hello() {
      console.log('hello')
    }
  })



</script>

</html>